<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Rewind the DirectoryIterator back to the start</title>

 </head>
 <body><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="directoryiterator.next.html">DirectoryIterator::next</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="directoryiterator.seek.html">DirectoryIterator::seek</a></div>
 <div class="up"><a href="class.directoryiterator.html">DirectoryIterator</a></div>
 <div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="directoryiterator.rewind" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">DirectoryIterator::rewind</h1>
  <p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">DirectoryIterator::rewind</span> &mdash; <span class="dc-title">Rewind the DirectoryIterator back to the start</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-directoryiterator.rewind-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>DirectoryIterator::rewind</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   Rewind the <a href="class.directoryiterator.html" class="classname">DirectoryIterator</a> back to the start.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-directoryiterator.rewind-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-directoryiterator.rewind-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   没有返回值。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-directoryiterator.rewind-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-3776">
    <p><strong>Example #1 <span class="methodname"><strong>DirectoryIterator::rewind()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$iterator&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">DirectoryIterator</span><span style="color: #007700">(</span><span style="color: #0000BB">dirname</span><span style="color: #007700">(</span><span style="color: #0000BB">__FILE__</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">$iterator</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">next</span><span style="color: #007700">();<br />echo&nbsp;</span><span style="color: #0000BB">$iterator</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">key</span><span style="color: #007700">();&nbsp;</span><span style="color: #FF8000">//1<br /><br /></span><span style="color: #0000BB">$iterator</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rewind</span><span style="color: #007700">();&nbsp;</span><span style="color: #FF8000">//rewinding&nbsp;to&nbsp;the&nbsp;beginning<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">$iterator</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">key</span><span style="color: #007700">();&nbsp;</span><span style="color: #FF8000">//0<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>

 
 <div class="refsect1 seealso" id="refsect1-directoryiterator.rewind-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="directoryiterator.current.html" class="methodname" rel="rdfs-seeAlso">DirectoryIterator::current()</a> - Return the current DirectoryIterator item.</span></li>
    <li class="member"><span class="methodname"><a href="directoryiterator.key.html" class="methodname" rel="rdfs-seeAlso">DirectoryIterator::key()</a> - Return the key for the current DirectoryIterator item</span></li>
    <li class="member"><span class="methodname"><a href="directoryiterator.next.html" class="methodname" rel="rdfs-seeAlso">DirectoryIterator::next()</a> - Move forward to next DirectoryIterator item</span></li>
    <li class="member"><span class="methodname"><a href="directoryiterator.valid.html" class="methodname" rel="rdfs-seeAlso">DirectoryIterator::valid()</a> - Check whether current DirectoryIterator position is a valid file</span></li>
    <li class="member"><span class="methodname"><a href="iterator.rewind.html" class="methodname" rel="rdfs-seeAlso">Iterator::rewind()</a> - 返回到迭代器的第一个元素</span></li>
   </ul>
  </p>
 </div>

 
</div><hr /><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="directoryiterator.next.html">DirectoryIterator::next</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="directoryiterator.seek.html">DirectoryIterator::seek</a></div>
 <div class="up"><a href="class.directoryiterator.html">DirectoryIterator</a></div>
 <div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
